N-COUNT 下层社会;社会底层 A country's underclass consists of those members of its population who are poor, and who have little chance of improving their situation.
The basic problems of the inner-city underclass are inadequate housing and lack of jobs... 老城区底层人群面临的基本问题是住房紧张和就业不足。
Welfare has become identified with the long-term poor, the underclass. 福利已经与长期贫困的下层社会联系在了一起。